CN113472195B - Multiphase rectification configurable boost topology circuit - Google Patents

Multiphase rectification configurable boost topology circuit Download PDF

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Publication number
CN113472195B
CN113472195B CN202110782508.1A CN202110782508A CN113472195B CN 113472195 B CN113472195 B CN 113472195B CN 202110782508 A CN202110782508 A CN 202110782508A CN 113472195 B CN113472195 B CN 113472195B
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multiphase
bridge
circuit
output
voltage
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CN113472195A (en
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邹渊
张旭东
孙文景
董玉刚
孙逢春
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Beijing Institute of Technology BIT
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Beijing Institute of Technology BIT
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
    • H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
    • H02M7/06—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
    • H02M7/064—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode with several outputs
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
    • H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/33561—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having more than one ouput with independent control
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
    • H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/33569—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
    • H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
    • H02M7/06—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
    • H02M7/066—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode particular circuits having a special characteristic
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
    • H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
    • H02M7/06—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
    • H02M7/10—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode arranged for operation in series, e.g. for multiplication of voltage
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P2101/00—Special adaptation of control arrangements for generators
    • H02P2101/45—Special adaptation of control arrangements for generators for motor vehicles, e.g. car alternators
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Rectifiers (AREA)

Abstract

The invention relates to a multiphase rectification configurable boost topology circuit, which comprises: a multiphase half-bridge rectifier circuit and a voltage converter; the input end of the multiphase half-bridge rectifying circuit is connected with a multiphase winding output in Y-shaped connection, the multiphase half-bridge rectifying circuit comprises a plurality of half-bridges connected in parallel, each half-bridge comprises two rectifier diodes connected in series, each phase winding output is connected to the middle of the two rectifier diodes corresponding to each half-bridge, each phase winding output corresponds to each half-bridge one by one, the two parallel ends of each half-bridge are the output ends of the multiphase half-bridge rectifying circuit, and the output ends of the multiphase half-bridge rectifying circuit are connected with a voltage stabilizing capacitor in parallel; the input end of the voltage converter is connected with the output end of the multiphase half-bridge rectifying circuit, and the voltage converter comprises a plurality of paths of boosting circuits which are connected in parallel. The invention realizes the rectification output and the output of various high-voltage grades of the multiphase generator.

Description

Multiphase rectification configurable boost topology circuit
Technical Field
The invention relates to the field of circuit rectification and boosting, in particular to a multiphase rectification configurable boosting topology circuit.
Background
At present, because of the wide application of hybrid electric vehicles, an extended range unit (APU) composed of a highly integrated engine-generator set is increasingly gaining attention in the scheme of solving the endurance mileage. Due to the limitation of size, space and weight of a limited automobile, more and more APUs adopt a multi-phase low-voltage scheme (the number of phases is more than 6, the voltage is about 60 VAC), but the current general high-voltage grades of electric vehicles are 330VDC, 600VDC and the like, the multi-phase low-voltage APU cannot be directly connected with a bus, and different high-voltage grades can exist for some special vehicles.
Disclosure of Invention
The invention aims to provide a multiphase rectification configurable boost topology circuit, which realizes the rectification output and the output of multiple high-voltage grades of a multiphase generator.
In order to achieve the purpose, the invention provides the following scheme:
a multiphase rectifying configurable boost topology circuit comprising: a multiphase half-bridge rectifier circuit and a voltage converter;
the input end of the multiphase half-bridge rectifying circuit is connected with a multiphase winding output in Y-shaped connection, the multiphase half-bridge rectifying circuit comprises a plurality of half-bridges connected in parallel, each half-bridge comprises two rectifier diodes connected in series, each phase winding output is connected to the middle of the two rectifier diodes corresponding to each half-bridge, each phase winding output corresponds to each half-bridge one by one, the two parallel ends of each half-bridge are the output ends of the multiphase half-bridge rectifying circuit, and the output ends of the multiphase half-bridge rectifying circuit are connected with a voltage stabilizing capacitor in parallel;
the input end of the voltage converter is connected with the output end of the multiphase half-bridge rectifying circuit, and the voltage converter comprises a plurality of paths of boosting circuits which are connected in parallel.
Optionally, the multiphase rectification configurable boost topology circuit further includes a filter circuit, and an output end of each boost circuit is connected to a corresponding filter circuit.
Optionally, the multi-phase winding is at least a 6-phase winding.
Optionally, the boost circuit comprises a boost circuit.
Optionally, the voltage converter adopts a full-bridge inverter circuit to convert the direct current into alternating current, adopts a transformer to perform level conversion on the alternating current voltage subjected to the direct current conversion, and adopts a full-bridge rectifier circuit to convert the voltage subjected to the level conversion into direct current of a target voltage and then output the direct current.
Optionally, the target voltages include 330V and 600V.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
the multiphase rectification configurable boost topological circuit comprises a multiphase half-bridge rectification circuit and a voltage converter, wherein the multiphase half-bridge rectification circuit realizes rectification of a multiphase winding generator, and boost at different levels is performed through a plurality of paths of boost circuits in the voltage converter, so that output at various high-voltage levels is realized, and the integration degree of the circuit is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
Fig. 1 is a schematic diagram of a multiphase rectification configurable boost topology circuit according to a first embodiment of the present invention;
fig. 2 is a schematic diagram of a multiphase rectification configurable boost topology circuit of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a multiphase rectification configurable boost topology circuit, which realizes rectification and output of multiple high-voltage grades of a multiphase generator.
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description thereof.
Fig. 1 and 2 are schematic diagrams of a multiphase rectifying configurable boost topology, and as shown in fig. 1-2, a multiphase rectifying configurable boost topology includes: a multiphase half-bridge rectifier circuit 1 and a voltage converter 2.
The output of the heterogeneous winding that the Y type is connected to heterogeneous half-bridge rectifier circuit 1's input, heterogeneous half-bridge rectifier circuit 1 includes a plurality of parallelly connected half-bridges, each half-bridge includes the rectifier diode of two series connections, each phase winding output is to in the middle of two rectifier diodes corresponding to each half-bridge, each phase winding output and each half-bridge one-to-one, the parallelly connected both ends of each half-bridge are heterogeneous half-bridge rectifier circuit 1's output, the parallelly connected voltage-stabilizing capacitor of output of heterogeneous half-bridge rectifier circuit 1. The multi-phase winding is at least a 6-phase winding.
The input end of the multiphase half-bridge rectification circuit 1 of the invention is connected with the output of the Y-shaped connected 6-phase or more-phase generator. The multiphase high-frequency alternating current is converted into direct current through the topological structure of the multiphase half-bridge rectification circuit 1.
The input end of the voltage converter 2 is connected with the output end of the multiphase half-bridge rectification circuit 1, and the output end of the voltage converter 2 is high-voltage output with different grades.
The voltage converter 2 includes a plurality of boost circuits connected in parallel.
The target voltages include 330V and 600V.
The voltage converter 2 may convert the direct current into an alternating current by using a full-bridge inverter circuit, perform level conversion on the alternating current voltage of the direct current conversion by using a transformer, and convert the voltage after the level conversion into a direct current of a target voltage by using a full-bridge rectifier circuit and then output the direct current.
As a specific embodiment, the voltage converter 2 includes multiple voltage boosting circuits and multiple voltage dropping circuits connected in parallel to meet the requirements of different levels of voltages.
The boost circuit also includes a boost circuit.
The expansion structure of the boost circuit is shown in fig. 1, after multiphase rectification, multiple paths of boost circuits can be connected in parallel according to different voltage levels and power requirements, and the topology of the boost circuit can be selected according to a voltage range, including but not limited to the topology shown in fig. 1.
The multiphase rectification configurable boost topology circuit further comprises filter circuits 3, and the output end of each boost circuit is connected with the corresponding filter circuit 3. The filter circuit 3 includes a filter capacitor. In fig. 1, Uout1, Uout2 and Uout3 are outputs of the multi-path boost circuit after filtering respectively.
A filter circuit 3 is arranged after each booster circuit to improve the voltage and current quality.
The multiphase rectification configurable boost topology circuit has the following advantages:
1. the rectification of the multiphase generator is realized, the current general circuit topology does not exactly describe the rectification method of the generator higher than 6 phases, and the invention provides the simplest rectification topology scheme of the generator larger than 6 phases.
2. After rectification, the direct connection is in a boost topology, and the circuit integration level is high. The invention is different from the universal power generation system which is directly connected with energy storage equipment such as a battery and the like after rectification and then carries out voltage conversion, the invention directly carries out voltage grade conversion after rectification, has simple circuit, can be integrated in a generator controller in practical application, and has high integration degree.
3. The voltage utilization range of the multi-phase generator is greatly enlarged. For a multiphase generator, the generated voltage range has larger fluctuation due to larger variation of the rotating speed, and the voltage level possibly cannot directly meet the voltage level requirement of electric equipment.
4. The voltage is slightly influenced by the high-voltage bus and has higher control precision, and the generated voltage is rectified and then is connected to the high-voltage bus or the generating equipment through the booster circuit, so that the high-precision regulation of the voltage can be realized through high-precision control on the booster circuit.
5. The voltage classes can be configured, the topology of the invention can carry out multi-path boosting circuit parallel connection at the rectifying output end, can realize that one generator outputs high-voltage direct current with different classes, such as multiple voltage classes of 330V, 600V and the like, and can select different boosting topologies according to different voltage classes and power requirements.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.

Claims (3)

1. A multiphase rectifying configurable boost topology circuit, comprising: a multiphase half-bridge rectifier circuit and a voltage converter;
the input end of the multiphase half-bridge rectifying circuit is connected with a multiphase winding output in Y-shaped connection, the multiphase half-bridge rectifying circuit comprises a plurality of half-bridges connected in parallel, each half-bridge comprises two rectifier diodes connected in series, each phase winding output is connected to the middle of the two rectifier diodes corresponding to each half-bridge, each phase winding output corresponds to each half-bridge one by one, the two parallel ends of each half-bridge are the output ends of the multiphase half-bridge rectifying circuit, and the output ends of the multiphase half-bridge rectifying circuit are connected with a voltage stabilizing capacitor in parallel;
the input end of the voltage converter is connected with the output end of the multiphase half-bridge rectifying circuit, and the voltage converter comprises a plurality of paths of boosting circuits and a plurality of paths of voltage reducing circuits which are connected in parallel;
the multi-phase winding is at least a 6-phase winding;
the voltage converter adopts a full-bridge inverter circuit to convert direct current into alternating current, adopts a transformer to carry out grade conversion on alternating current voltage subjected to the direct current conversion, and adopts a full-bridge rectifier circuit to convert the alternating current voltage subjected to the grade conversion into direct current of target voltage and then output the direct current.
2. The multiphase rectifying configurable boost topology circuit according to claim 1, further comprising a filter circuit, wherein an output end of each boost circuit is connected to a corresponding filter circuit.
3. The multiphase rectifying configurable boost topology circuit according to claim 1, wherein said target voltages comprise 330V and 600V.
CN202110782508.1A 2021-07-12 2021-07-12 Multiphase rectification configurable boost topology circuit Active CN113472195B (en)

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CN1529404A (en) * 2003-09-26 2004-09-15 勇 谭 Three-phase split phase-shifting transformer for high-voltage frequency conversion and its use
CN101783601B (en) * 2010-02-05 2012-01-04 浙江大学 Multiphase current type PWM rectifier based on dual controllable rectifier bridge of hybrid switch
US20130271055A1 (en) * 2012-04-15 2013-10-17 General Electric Company Paralleling of load commutated inverters
CN103427463A (en) * 2012-05-17 2013-12-04 台达电子工业股份有限公司 Charging system
CN107786107A (en) * 2016-08-31 2018-03-09 中国石油化工股份有限公司 A kind of multiphase rectifying device

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